WO2010107269A3 - 멀티 채널 신호의 부호화/복호화 장치 및 방법 - Google Patents

멀티 채널 신호의 부호화/복호화 장치 및 방법 Download PDF

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Publication number
WO2010107269A3
WO2010107269A3 PCT/KR2010/001698 KR2010001698W WO2010107269A3 WO 2010107269 A3 WO2010107269 A3 WO 2010107269A3 KR 2010001698 W KR2010001698 W KR 2010001698W WO 2010107269 A3 WO2010107269 A3 WO 2010107269A3
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WO
WIPO (PCT)
Prior art keywords
multichannel signal
decoding
encoding
signal
multichannel
Prior art date
Application number
PCT/KR2010/001698
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English (en)
French (fr)
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WO2010107269A2 (ko
Inventor
김미영
김중회
심환
오은미
Original Assignee
삼성전자주식회사
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Publication date
Application filed by 삼성전자주식회사 filed Critical 삼성전자주식회사
Priority to CN2010800220317A priority Critical patent/CN102428513B/zh
Priority to EP10753719.3A priority patent/EP2410515B1/en
Priority to US13/257,229 priority patent/US8537913B2/en
Publication of WO2010107269A2 publication Critical patent/WO2010107269A2/ko
Publication of WO2010107269A3 publication Critical patent/WO2010107269A3/ko
Priority to US13/464,509 priority patent/US8767850B2/en

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters

Abstract

멀티 채널 신호의 부호화/복호화 장치가 개시된다. 멀티 채널 신호의 부호화 장치는 멀티 채널 신호의 특성을 고려하여 멀티 채널 신호를 구성하는 복수의 채널 간의 위상 정보에 대한 위상 파라미터를 처리한다. 처리된 위상 파라미터 및 멀티 채널 신호로부터 추출된 모노 신호를 이용하여 멀티 채널 신호에 대한 부호화된 비트스트림을 생성한다.
PCT/KR2010/001698 2009-03-18 2010-03-18 멀티 채널 신호의 부호화/복호화 장치 및 방법 WO2010107269A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN2010800220317A CN102428513B (zh) 2009-03-18 2010-03-18 多声道信号的编码/解码装置及方法
EP10753719.3A EP2410515B1 (en) 2009-03-18 2010-03-18 Apparatus and method for decoding a multichannel signal
US13/257,229 US8537913B2 (en) 2009-03-18 2010-03-18 Apparatus and method for encoding/decoding a multichannel signal
US13/464,509 US8767850B2 (en) 2009-03-18 2012-05-04 Apparatus and method for encoding/decoding a multichannel signal

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2009-0023158 2009-03-18
KR20090023158 2009-03-18

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US13/257,229 A-371-Of-International US8537913B2 (en) 2009-03-18 2010-03-18 Apparatus and method for encoding/decoding a multichannel signal
US13/464,509 Continuation US8767850B2 (en) 2009-03-18 2012-05-04 Apparatus and method for encoding/decoding a multichannel signal

Publications (2)

Publication Number Publication Date
WO2010107269A2 WO2010107269A2 (ko) 2010-09-23
WO2010107269A3 true WO2010107269A3 (ko) 2010-12-29

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PCT/KR2010/001698 WO2010107269A2 (ko) 2009-03-18 2010-03-18 멀티 채널 신호의 부호화/복호화 장치 및 방법

Country Status (5)

Country Link
US (4) US8666752B2 (ko)
EP (1) EP2410515B1 (ko)
KR (2) KR101650055B1 (ko)
CN (2) CN103559884B (ko)
WO (1) WO2010107269A2 (ko)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101453732B1 (ko) * 2007-04-16 2014-10-24 삼성전자주식회사 스테레오 신호 및 멀티 채널 신호 부호화 및 복호화 방법및 장치
US8666752B2 (en) * 2009-03-18 2014-03-04 Samsung Electronics Co., Ltd. Apparatus and method for encoding and decoding multi-channel signal
WO2011039668A1 (en) * 2009-09-29 2011-04-07 Koninklijke Philips Electronics N.V. Apparatus for mixing a digital audio
KR20110116079A (ko) * 2010-04-17 2011-10-25 삼성전자주식회사 멀티 채널 신호의 부호화/복호화 장치 및 방법
CN103262159B (zh) * 2010-10-05 2016-06-08 华为技术有限公司 用于对多声道音频信号进行编码/解码的方法和装置
JP6051621B2 (ja) * 2012-06-29 2016-12-27 富士通株式会社 オーディオ符号化装置、オーディオ符号化方法、オーディオ符号化用コンピュータプログラム、及びオーディオ復号装置
KR20140016780A (ko) * 2012-07-31 2014-02-10 인텔렉추얼디스커버리 주식회사 오디오 신호 처리 방법 및 장치
MX347100B (es) 2012-12-04 2017-04-12 Samsung Electronics Co Ltd Aparato de suministro de audio y método de suministro de audio.
EP2838086A1 (en) 2013-07-22 2015-02-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. In an reduction of comb filter artifacts in multi-channel downmix with adaptive phase alignment
CN105531761B (zh) 2013-09-12 2019-04-30 杜比国际公司 音频解码系统和音频编码系统
EP3061089B1 (en) 2013-10-21 2018-01-17 Dolby International AB Parametric reconstruction of audio signals
CN104240712B (zh) * 2014-09-30 2018-02-02 武汉大学深圳研究院 一种三维音频多声道分组聚类编码方法及系统
CN104347077B (zh) * 2014-10-23 2018-01-16 清华大学 一种立体声编解码方法
WO2016142002A1 (en) * 2015-03-09 2016-09-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal
KR102636396B1 (ko) 2015-09-25 2024-02-15 보이세지 코포레이션 스테레오 사운드 신호를 1차 및 2차 채널로 시간 영역 다운 믹싱하기 위해 좌측 및 우측 채널들간의 장기 상관 차이를 이용하는 방법 및 시스템
CN107452387B (zh) * 2016-05-31 2019-11-12 华为技术有限公司 一种声道间相位差参数的提取方法及装置
CN107731238B (zh) * 2016-08-10 2021-07-16 华为技术有限公司 多声道信号的编码方法和编码器
CN108182947B (zh) * 2016-12-08 2020-12-15 武汉斗鱼网络科技有限公司 一种声道混合处理方法及装置
US10366695B2 (en) * 2017-01-19 2019-07-30 Qualcomm Incorporated Inter-channel phase difference parameter modification
US10224045B2 (en) 2017-05-11 2019-03-05 Qualcomm Incorporated Stereo parameters for stereo decoding
CN108877815B (zh) 2017-05-16 2021-02-23 华为技术有限公司 一种立体声信号处理方法及装置
CN109215668B (zh) 2017-06-30 2021-01-05 华为技术有限公司 一种声道间相位差参数的编码方法及装置
CN109859766B (zh) * 2017-11-30 2021-08-20 华为技术有限公司 音频编解码方法和相关产品

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006048226A1 (en) * 2004-11-02 2006-05-11 Coding Technologies Ab Stereo compatible multi-channel audio coding
US20070269063A1 (en) * 2006-05-17 2007-11-22 Creative Technology Ltd Spatial audio coding based on universal spatial cues
US20080071549A1 (en) * 2004-07-02 2008-03-20 Chong Kok S Audio Signal Decoding Device and Audio Signal Encoding Device
KR20080093342A (ko) * 2007-04-16 2008-10-21 삼성전자주식회사 스테레오 신호 및 멀티 채널 신호 부호화 및 복호화 방법및 장치

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5463424A (en) * 1993-08-03 1995-10-31 Dolby Laboratories Licensing Corporation Multi-channel transmitter/receiver system providing matrix-decoding compatible signals
US6181394B1 (en) * 1999-01-22 2001-01-30 White Electronic Designs, Corp. Super bright low reflection liquid crystal display
KR100498922B1 (ko) 2001-08-31 2005-07-04 삼성전자주식회사 이동통신 시스템에서 순방향 채널의 품질정보 송수신방법및 장치
US20050228648A1 (en) * 2002-04-22 2005-10-13 Ari Heikkinen Method and device for obtaining parameters for parametric speech coding of frames
BRPI0304542B1 (pt) * 2002-04-22 2018-05-08 Koninklijke Philips Nv “Método e codificador para codificar um sinal de áudio de multicanal, sinal de áudio multicanal codificado, e, método e decodificador para decodificar um sinal de áudio de multicanal codificado”
JP4431568B2 (ja) 2003-02-11 2010-03-17 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 音声符号化
ATE390683T1 (de) 2004-03-01 2008-04-15 Dolby Lab Licensing Corp Mehrkanalige audiocodierung
KR100561869B1 (ko) 2004-03-10 2006-03-17 삼성전자주식회사 무손실 오디오 부호화/복호화 방법 및 장치
JP4936894B2 (ja) * 2004-08-27 2012-05-23 パナソニック株式会社 オーディオデコーダ、方法及びプログラム
WO2006022190A1 (ja) * 2004-08-27 2006-03-02 Matsushita Electric Industrial Co., Ltd. オーディオエンコーダ
JP5046653B2 (ja) * 2004-12-28 2012-10-10 パナソニック株式会社 音声符号化装置および音声符号化方法
US8073703B2 (en) * 2005-10-07 2011-12-06 Panasonic Corporation Acoustic signal processing apparatus and acoustic signal processing method
JP2009530916A (ja) 2006-03-15 2009-08-27 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション サブフィルタを用いたバイノーラル表現
WO2008002098A1 (en) * 2006-06-29 2008-01-03 Lg Electronics, Inc. Method and apparatus for an audio signal processing
EP2071564A4 (en) * 2006-09-29 2009-09-02 Lg Electronics Inc METHOD AND DEVICES FOR CODING AND DECODING OBJECT-BASED AUDIO SIGNALS
EP2092516A4 (en) * 2006-11-15 2010-01-13 Lg Electronics Inc METHOD AND APPARATUS FOR AUDIO SIGNAL DECODING
FR2911020B1 (fr) 2006-12-28 2009-05-01 Actimagine Soc Par Actions Sim Procede et dispositif de codage audio
EP2115739A4 (en) * 2007-02-14 2010-01-20 Lg Electronics Inc METHODS AND APPARATUSES FOR ENCODING AND DECODING AUDIO SIGNALS BASED ON OBJECTS
US8639498B2 (en) * 2007-03-30 2014-01-28 Electronics And Telecommunications Research Institute Apparatus and method for coding and decoding multi object audio signal with multi channel
KR101505831B1 (ko) * 2007-10-30 2015-03-26 삼성전자주식회사 멀티 채널 신호의 부호화/복호화 방법 및 장치
WO2010036059A2 (en) 2008-09-25 2010-04-01 Lg Electronics Inc. A method and an apparatus for processing a signal
KR101600352B1 (ko) * 2008-10-30 2016-03-07 삼성전자주식회사 멀티 채널 신호의 부호화/복호화 장치 및 방법
US8666752B2 (en) 2009-03-18 2014-03-04 Samsung Electronics Co., Ltd. Apparatus and method for encoding and decoding multi-channel signal
MY160545A (en) * 2009-04-08 2017-03-15 Fraunhofer-Gesellschaft Zur Frderung Der Angewandten Forschung E V Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing
KR101710113B1 (ko) * 2009-10-23 2017-02-27 삼성전자주식회사 위상 정보와 잔여 신호를 이용한 부호화／복호화 장치 및 방법
US9112591B2 (en) * 2010-04-16 2015-08-18 Samsung Electronics Co., Ltd. Apparatus for encoding/decoding multichannel signal and method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080071549A1 (en) * 2004-07-02 2008-03-20 Chong Kok S Audio Signal Decoding Device and Audio Signal Encoding Device
WO2006048226A1 (en) * 2004-11-02 2006-05-11 Coding Technologies Ab Stereo compatible multi-channel audio coding
US20070269063A1 (en) * 2006-05-17 2007-11-22 Creative Technology Ltd Spatial audio coding based on universal spatial cues
KR20080093342A (ko) * 2007-04-16 2008-10-21 삼성전자주식회사 스테레오 신호 및 멀티 채널 신호 부호화 및 복호화 방법및 장치

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
BREEBAART J. ET AL: "Parametric Coding of Stereo Audio", EURASIP JOURNAL ON APPLIED SIGNAL PROCESSING, vol. 2005, no. 9, 2005, pages 1305 - 1322, XP002514252 *
See also references of EP2410515A4 *

Also Published As

Publication number Publication date
US8537913B2 (en) 2013-09-17
CN102428513B (zh) 2013-11-06
CN103559884B (zh) 2016-06-22
US8767850B2 (en) 2014-07-01
EP2410515B1 (en) 2018-07-18
CN103559884A (zh) 2014-02-05
KR101747307B1 (ko) 2017-06-14
KR20160102364A (ko) 2016-08-30
KR101650055B1 (ko) 2016-08-23
KR20100105496A (ko) 2010-09-29
US20120221343A1 (en) 2012-08-30
US20140177849A1 (en) 2014-06-26
CN102428513A (zh) 2012-04-25
US20100241436A1 (en) 2010-09-23
WO2010107269A2 (ko) 2010-09-23
US20120069921A1 (en) 2012-03-22
US8666752B2 (en) 2014-03-04
EP2410515A2 (en) 2012-01-25
EP2410515A4 (en) 2013-11-27
US9384740B2 (en) 2016-07-05

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